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CollegeBoard Test Booklet Make Up 22. Set A Set B The boxplots above summarize two data sets, A and B. Which of the following must be true? I. Set A contains more data than Set B. II. The box of Set A contains more data than the box of Set B. III. The data in Set A have a larger range than the data in Set B. (A) I only (B) III only (C) I and II only (D) II and III only (E) I, II, and III The campaign manager for a candidate for governor wants to estimate the difference between the percentage of voters who viewed an advertisement and favor the candidate and the percentage of voters who had not viewed the advertisement and favor the candidate. Two independent random samples of 500 voters were selected. One random sample consisted of voters who viewed the advertisement and the other random sample consisted of voters who had not viewed the advertisement. The table shows the frequencies of responses for those surveyed. Have Not Seen Have Seen Advertisement Advertisement In favor 224 283 Not in favor 276 217 Which of the following is the most appropriate method for the campaign manager to use to estimate the difference between the percentages of voters who favor the candidate? AP Statistics Page 11 of 42